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If using propane gas, verify house batteries have adequate charge.
Lights are illuminating, but no cooling.
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Use a proper power source that is available and cooling operation to specification.
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Make sure the refrigerator unit is level.
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Allow sufficient time for proper cool down and try to load with precooled food.
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Have a qualified RV technician check that the vents and chimney at the rear of the
refrigerator are clear and unobstructed.
•
Have a qualified RV technician make sure the burner jets or burners are not dirty or
damaged.
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Have a qualified RV technician check the fuses in the black electrical box on the rear
of the refrigerator.
Extinguish all flames. Never use a match or flame to check for leaks.
Heavy frost build up on evaporator fins.
•
Defrost the freezer and refrigerator.
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Have the refrigerator checked by your Thor Motor Coach dealer or a qualified RV
technician.
Will not operate.
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Make sure unit is turned on.
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Check circuit breakers in coach.
•
Have a Thor Motor Coach dealer check to see if there is proper voltage from shoreline
or generator.
Unit runs, but coil freezes and compressor cycles too soon.
•
Control setting may be too low, cycles too soon.
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Make sure the filter is clean and unobstructed.
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Have the coolant level checked by a qualified service facility.
Does not get cold enough.
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Start unit before the day gets too hot.
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To offset heat gain:
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Close all windows and blinds.
•
Keep entrance doors closed.
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Use awnings
•
Avoid using heat-producing appliances.
•
Make sure the outside coil is not blocked or damaged.
•
Have a Thor Motor Coach dealer check to make sure you have the proper voltage.
•
Should your A/C still not work after the above checks have been made, contact a
qualified service facility to perform more extensive testing.
Working with electrical appliances can be extremely dangerous.
Running lights not working.
•
Blown fuse. Replace fuse with one of the same ampere rating.
Troubleshooting
ROOF AIR CONDITIONER
RUNNING LIGHTS
85
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Table of Contents
Troubleshooting
